[AL] allegro compile error

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Hey all,

I just got done setting up allegro on my linux box, everything installed 
fine, and the example programs work.

but, when I go to run a game I wrote using DJGPP and allegro on my DOS/Win 
box, I get the following error:

Shutting down Allegro due to signal #11
Segmentation fault

if it helps, I used this to compile it:
      gcc *.c -o spongex `allegro-config --libs`
and it didn't report any errors

btw, I did add the END_OF_MAIN(); at, whell, the end of the main function :-)

Thanks for any help,
Matt
>From <all...@ca...> Thu Mar 29 22:07:20 2001
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Matthew Evans wrote:
> 
> Hey all,
> 
> I just got done setting up allegro on my linux box, everything installed
> fine, and the example programs work.
> 
> but, when I go to run a game I wrote using DJGPP and allegro on my DOS/Win
> box, I get the following error:
> 
> Shutting down Allegro due to signal #11
> Segmentation fault
> 
> if it helps, I used this to compile it:
>       gcc *.c -o spongex `allegro-config --libs`
> and it didn't report any errors
> 
> btw, I did add the END_OF_MAIN(); at, whell, the end of the main function :-)
> 

your most likely accessing memory you shouldn't (ie: a NULL pointer) 
In allegro this can happen quite reqularly for ported games
if you don't check the return value of 'set_gfx_mode'.
Other than that, I dont have a clue cause I cant see the source. :)

-- 
"Computer programmers don't byte, they nybble a bit."
Thomas Fjellstrom
tfj...@ho...
http://strangesoft.net/
>From <all...@ca...> Thu Mar 29 22:11:19 2001
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On 29 Mar 2001, at 21:55, Matthew Evans wrote:

> Hey all,
> 
> I just got done setting up allegro on my linux box, everything installed 
> fine, and the example programs work.
> 
> but, when I go to run a game I wrote using DJGPP and allegro on my DOS/Win 
> box, I get the following error:
> 
> Shutting down Allegro due to signal #11
> Segmentation fault
> 
> if it helps, I used this to compile it:
>       gcc *.c -o spongex `allegro-config --libs`
> and it didn't report any errors
> 
> btw, I did add the END_OF_MAIN(); at, whell, the end of the main function :-)
> 
> Thanks for any help,
> Matt

NULL pointer access is not catched in DOS.  This only occurs when using 
true DOS mode with cwsdpmi as the DPMI provider, or Windows, or Linux... 
Well anything but a dos box under Windows.  You have a bug in your code 
that only occured when you ran the program in a different situation and you 
were simply lucky before that it didn't happen.

Gillius
>From <all...@ca...> Thu Mar 29 23:17:10 2001
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Date: Fri, 30 Mar 2001 06:59:39 +0300
From: Nathan Letwory <nat...@ad...>
Organization: Adcore OY
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Sam Cayhall wrote:

> how do I compile a program and send it to someone else, without them 
> having to have the DLL for MSVC/Allegro? if i were to send someone a 
> program without them having the DLL, it would give them an error and 
> they couldnt run it.

readme.vc states that one has to set the environment variable STATIC_LINK=1 and then to make/make install it.

-- 
--
Nathan Letwory
Software Developer

Adcore Finland - Digital Business Creators

Phone:            +385 2 512 44 00
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